Civil Engineering - Structural Design Specifications - Discussion

24. 

The grade of concrete generally not used in the reinforced concrete, is

[A]. M 10
[B]. M 15
[C]. M 20
[D]. M 40

Answer: Option A

Explanation:

No answer description available for this question.

Amitava Mitra said: (Apr 7, 2016)  
As per 2000 revision of IS 456 Grade of Concrete for RCC starts from M20. So the answer will be option C.

Hintsa said: (Jul 29, 2016)  
The concrete as per IS 456: 2000, the grades of concrete lower than M20 are not to be used in RCC work.

Iingaraj said: (Jan 6, 2018)  
Which answer is correct? Please explain.

Kumarbittu said: (Aug 27, 2018)  
The given answer is Correct.

Jignesh said: (Jan 8, 2019)  
As per IS now it is M20.

Ashish said: (Sep 19, 2019)  
Give the clear explanation for the correct answer.

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